.at-scope{--at-grid-rule:rgba(53,83,255,0.18);--at-grid-bg:var(--bg-surface);--at-pixel-shadow:4px 4px 0 var(--ink);--at-pixel-shadow-lg:6px 6px 0 var(--ink);--at-pixel-shadow-sm:2px 2px 0 var(--ink);--at-locked:var(--ink-mute)}.dark .at-scope,[data-theme=dark] .at-scope{--at-grid-rule:rgba(107,142,255,0.22);--at-grid-bg:var(--bg-surface)}.at-overworld{position:relative;padding:128px 0 96px;min-height:100vh;background-color:var(--bg);background-image:linear-gradient(var(--at-grid-rule) 1px,transparent 1px),linear-gradient(90deg,var(--at-grid-rule) 1px,transparent 1px);background-size:32px 32px;background-position:0 0}.at-overworld-hero{max-width:880px;margin:0 auto 64px;padding:0 32px;text-align:center}.at-eyebrow{display:inline-block;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.22em;color:var(--blueprint);border:2px solid var(--blueprint);padding:4px 10px;background:var(--bg);margin-bottom:18px;box-shadow:var(--at-pixel-shadow-sm)}.at-eyebrow,.at-title{text-transform:uppercase}.at-title{font-family:var(--font-display);font-size:clamp(2.6rem,7vw,5rem);line-height:.95;color:var(--ink);margin-bottom:16px}.at-title .at-accent{color:var(--blueprint)}.at-subtitle{font-family:var(--font-body);font-size:clamp(1.05rem,2vw,1.2rem);color:var(--ink-soft);max-width:620px;margin:0 auto}.at-region-grid{max-width:1120px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}.at-region-card{position:relative;display:block;padding:24px;background:var(--bg);border:2px solid var(--ink);box-shadow:var(--at-pixel-shadow);text-decoration:none;color:var(--ink);transition:transform .12s ease,box-shadow .12s ease;overflow:hidden}.at-region-card:hover{transform:translate(-2px,-2px);box-shadow:var(--at-pixel-shadow-lg);border-bottom-color:var(--ink)}.at-region-card.locked{background:var(--bg-surface);cursor:not-allowed}.at-region-card.locked:hover{transform:none;box-shadow:var(--at-pixel-shadow)}.at-region-card-stripe{position:absolute;top:0;left:0;right:0;height:8px}.at-region-card-eyebrow{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft);margin:14px 0 6px}.at-region-card-name{font-family:var(--font-display);font-size:1.8rem;text-transform:uppercase;line-height:1;color:var(--ink);margin-bottom:12px}.at-region-card-tag{font-family:var(--font-body);font-size:.95rem;color:var(--ink-soft);margin-bottom:18px;min-height:3em}.at-region-card-meta{display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;color:var(--ink-mute);text-transform:uppercase;padding-top:14px;border-top:1px dashed var(--rule-soft)}.at-region-card-meta .at-cta{color:var(--blueprint);font-weight:700}.at-region-card.locked .at-cta{color:var(--at-locked)}.at-locked-stamp{position:absolute;top:16px;right:16px;font-family:var(--font-mono);font-size:.65rem;letter-spacing:.18em;text-transform:uppercase;color:var(--bg);background:var(--ink);padding:3px 8px}.at-region-page{padding:128px 0 96px;background:var(--bg)}.at-region-banner{max-width:1120px;margin:0 auto 56px;padding:0 32px}.at-back{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:18px;border-bottom:1px solid transparent}.at-back:hover{border-bottom-color:var(--ink-soft)}.at-region-banner h1{font-size:clamp(2.4rem,6vw,4.4rem);color:var(--ink);margin-bottom:12px}.at-region-banner h1 .at-accent{color:var(--blueprint)}.at-region-banner-meta{display:flex;flex-wrap:wrap;gap:14px;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:18px}.at-region-banner-meta span{border:2px solid var(--ink);padding:4px 10px;background:var(--bg);box-shadow:var(--at-pixel-shadow-sm);color:var(--ink)}.at-region-banner-desc{max-width:700px;font-size:1.05rem;color:var(--ink-soft)}.at-quests{max-width:1120px;margin:0 auto;padding:0 32px;display:flex;flex-direction:column;gap:48px}.at-quest{border:2px solid var(--ink);background:var(--bg);box-shadow:var(--at-pixel-shadow)}.at-quest-head{padding:22px 24px;border-bottom:2px solid var(--ink);background:var(--bg-surface)}.at-quest-head h2{font-family:var(--font-display);font-size:1.7rem;color:var(--ink);margin-bottom:6px;letter-spacing:.02em}.at-quest-head p{font-family:var(--font-body);font-size:.95rem;color:var(--ink-soft);margin:0;max-width:760px}.at-lesson-row{display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:20px;padding:18px 24px;border-top:1px solid var(--rule-soft);text-decoration:none;color:var(--ink);transition:background-color .12s}.at-lesson-row:first-child{border-top:none}.at-lesson-row:hover{background:var(--blueprint-tint);border-bottom-color:transparent}.at-lesson-dot{width:36px;height:36px;border:2px solid var(--ink);background:var(--bg);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:1.2rem;color:var(--ink);box-shadow:var(--at-pixel-shadow-sm)}.at-lesson-dot.done{background:var(--blueprint);color:var(--bg)}.at-lesson-title{font-family:var(--font-display);font-size:1.2rem;text-transform:uppercase;letter-spacing:.02em;line-height:1.05;margin-bottom:4px}.at-lesson-summary{font-size:.95rem;margin:0}.at-lesson-meta{display:flex;flex-direction:column;gap:6px;align-items:flex-end;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-mute);white-space:nowrap}.at-kind-badge{border:2px solid var(--ink);padding:2px 8px;background:var(--bg);color:var(--ink);font-weight:700}.at-xp-badge{color:var(--blueprint);font-weight:700}.at-pet-hud{position:fixed;right:24px;bottom:24px;z-index:90;background:var(--bg);border:2px solid var(--ink);box-shadow:var(--at-pixel-shadow);padding:14px;width:220px;font-family:var(--font-mono);font-size:.78rem;color:var(--ink);user-select:none}.at-pet-hud-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute)}.at-pet-sprite{display:block;width:100%;font-family:var(--font-display);font-size:2.4rem;line-height:1;text-align:center;color:var(--blueprint);background:var(--bg-surface);border:1px solid var(--rule-soft);padding:10px 0;margin-bottom:10px;letter-spacing:.06em}.at-pet-bar{display:grid;grid-template-columns:56px 1fr;gap:6px;align-items:center;margin-bottom:4px}.at-pet-bar-label{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}.at-pet-bar-track{height:10px;background:var(--bg-surface-hover);border:1px solid var(--ink);position:relative;overflow:hidden}.at-pet-bar-fill{position:absolute;inset:0 auto 0 0;background:var(--blueprint);transition:width .4s ease}.at-pet-bar-fill.warn{background:var(--warn)}.at-pet-bar-fill.crit{background:#d14f4f}.at-pet-stat-row{display:flex;justify-content:space-between;margin-top:8px;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}.at-pet-stat-row strong{color:var(--blueprint);font-family:var(--font-display);font-size:1rem}.at-pet-tip{margin-top:10px;font-size:.72rem;color:var(--ink-mute);line-height:1.45;font-family:var(--font-body)}@media (max-width:720px){.at-pet-hud{right:12px;bottom:12px;width:200px;padding:12px}}.at-lesson-page{padding:92px 0 96px;background:var(--bg);min-height:100vh}.at-lesson-topbar{position:fixed;top:64px;left:0;right:0;z-index:80;background:var(--bg);border-bottom:2px solid var(--ink);padding:10px 0}.at-lesson-topbar-inner{max-width:1120px;margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}.at-lesson-crumb{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase}.at-lesson-crumb,.at-lesson-crumb a{color:var(--ink-soft)}.at-lesson-crumb a:hover{color:var(--blueprint)}.at-lesson-crumb-sep{margin:0 8px;color:var(--ink-mute)}.at-lesson-content{max-width:760px;margin:56px auto 0;padding:0 32px}.at-lesson-eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--blueprint);border-bottom:2px solid var(--blueprint);display:inline-block;padding-bottom:4px;margin-bottom:16px}.at-lesson-title{font-size:clamp(2rem,5vw,3.2rem);color:var(--ink);margin-bottom:12px}.at-lesson-summary{font-family:var(--font-body);font-size:1.1rem;color:var(--ink-soft);margin-bottom:36px}.at-lesson-body p{font-size:1.05rem;line-height:1.65;margin-bottom:18px}.at-section{margin-top:44px}.at-section-eyebrow{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:14px}.at-steps{list-style:none;display:flex;flex-direction:column;gap:20px;padding:0}.at-step{border:2px solid var(--ink);background:var(--bg);box-shadow:var(--at-pixel-shadow-sm);padding:20px}.at-step.done{background:var(--blueprint-tint)}.at-step-head{gap:12px;margin-bottom:10px}.at-step-check,.at-step-head{display:flex;align-items:center}.at-step-check{width:32px;height:32px;border:2px solid var(--ink);background:var(--bg);font-family:var(--font-display);font-size:1.1rem;color:var(--ink);cursor:pointer;justify-content:center}.at-step-check.done{background:var(--blueprint);color:var(--bg)}.at-step-title{font-family:var(--font-display);font-size:1.2rem;text-transform:uppercase;color:var(--ink)}.at-step-body{font-size:1rem;color:var(--ink);margin-bottom:10px}.at-step-copy{position:relative;margin:8px 0}.at-step-copy pre{background:var(--code-bg);border:1px solid var(--rule-soft);padding:12px 14px;font-size:.85rem;overflow-x:auto;white-space:pre-wrap;word-break:break-word}.at-step-verify{margin-top:10px;font-family:var(--font-mono);font-size:.8rem;color:var(--ink-soft)}.at-step-verify-label{display:inline-block;border:2px solid var(--blueprint);color:var(--blueprint);padding:1px 6px;margin-right:8px;letter-spacing:.1em;text-transform:uppercase}.at-quiz{display:flex;flex-direction:column;gap:20px}.at-quiz-card{border:2px solid var(--ink);background:var(--bg);padding:18px;box-shadow:var(--at-pixel-shadow-sm)}.at-quiz-q{font-size:1.05rem;color:var(--ink);margin-bottom:14px}.at-quiz-q-num{font-family:var(--font-mono);color:var(--blueprint);margin-right:6px}.at-quiz-opts{display:flex;flex-direction:column;gap:8px}.at-quiz-opt{text-align:left;font-family:var(--font-body);font-size:.95rem;background:var(--bg);border:2px solid var(--ink);padding:10px 12px;display:flex;gap:10px;cursor:pointer;color:var(--ink)}.at-quiz-opt-letter{font-family:var(--font-display);color:var(--blueprint);width:18px}.at-quiz-opt.picked{background:var(--blueprint-tint)}.at-quiz-opt.correct{background:var(--blueprint);color:var(--bg)}.at-quiz-opt.correct .at-quiz-opt-letter{color:var(--bg)}.at-quiz-opt.wrong{background:#d14f4f;color:var(--bg)}.at-quiz-opt.wrong .at-quiz-opt-letter{color:var(--bg)}.at-quiz-opt.correct-unpicked{border-style:dashed}.at-quiz-explain{margin-top:10px;font-size:.9rem;color:var(--ink-soft)}.at-transcript{border:2px solid var(--ink);background:var(--bg-surface);box-shadow:var(--at-pixel-shadow-sm);padding:16px;font-family:var(--font-mono);font-size:.85rem;max-height:480px;overflow-y:auto}.at-transcript-turn{margin-bottom:12px}.at-transcript-turn .at-turn-role{display:inline-block;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;padding:1px 6px;margin-right:8px;border:1px solid var(--ink);background:var(--bg);color:var(--ink)}.at-transcript-turn.user .at-turn-role{background:var(--blueprint);color:var(--bg);border-color:var(--blueprint)}.at-transcript-turn.tool .at-turn-role{background:var(--warn);color:var(--bg);border-color:var(--warn)}.at-turn-tool{font-size:.75rem;color:var(--ink-soft);margin-top:2px}.at-turn-text{white-space:pre-wrap;word-break:break-word;line-height:1.5;color:var(--ink)}.at-case-stat{border:2px solid var(--ink);background:var(--blueprint);color:var(--bg);padding:28px;margin:24px 0;box-shadow:var(--at-pixel-shadow)}.at-case-stat-num{font-family:var(--font-display);font-size:clamp(2rem,5vw,3rem);line-height:1;letter-spacing:.02em}.at-case-stat-company{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:8px;opacity:.8}.at-case-stat-detail{font-family:var(--font-body);margin-top:14px;font-size:1rem;max-width:56ch}.at-writer{border:2px solid var(--ink);background:var(--bg);box-shadow:var(--at-pixel-shadow);padding:0;overflow:hidden}.at-writer-prompt{padding:16px 18px;border-bottom:2px solid var(--ink);background:var(--bg-surface);font-size:.95rem;color:var(--ink)}.at-writer-textarea{width:100%;min-height:260px;border:none;outline:none;resize:vertical;font-family:var(--font-mono);font-size:.85rem;line-height:1.5;padding:16px 18px;background:var(--bg);color:var(--ink)}.at-writer-actions{display:flex;gap:10px;padding:12px 18px;border-top:1px solid var(--rule-soft);background:var(--bg-surface);align-items:center;justify-content:space-between}.at-rubric{margin-top:16px;display:flex;flex-direction:column;gap:6px;font-family:var(--font-mono);font-size:.85rem}.at-rubric-row{display:flex;align-items:center;gap:10px;padding:6px 10px;border:1px dashed var(--rule-soft)}.at-rubric-row.pass{border-color:var(--blueprint);background:var(--blueprint-tint)}.at-rubric-row.fail{border-color:#d14f4f;background:rgba(209,79,79,.08)}.at-rubric-mark{width:22px;font-family:var(--font-display);color:var(--ink-mute)}.at-rubric-row.pass .at-rubric-mark{color:var(--blueprint)}.at-rubric-row.fail .at-rubric-mark{color:#d14f4f}.at-complete{margin-top:56px;padding:22px;border:2px solid var(--ink);background:var(--bg-surface);box-shadow:var(--at-pixel-shadow)}.at-complete-msg{font-family:var(--font-display);font-size:1.4rem;color:var(--blueprint);text-transform:uppercase;letter-spacing:.04em}.at-complete-hint{margin-top:10px;font-family:var(--font-mono);font-size:.85rem;color:var(--ink-soft)}.at-complete-hint div{margin-bottom:4px}.at-lesson-nav{display:flex;justify-content:space-between;margin-top:40px;font-family:var(--font-mono);font-size:.9rem;letter-spacing:.04em;text-transform:uppercase}.at-lesson-nav a{color:var(--blueprint)}.at-btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:1rem;text-transform:uppercase;letter-spacing:.04em;border:2px solid var(--ink);background:var(--bg);color:var(--ink);padding:10px 18px;cursor:pointer;box-shadow:var(--at-pixel-shadow-sm);transition:transform .1s,box-shadow .1s}.at-btn:hover{transform:translate(-1px,-1px);box-shadow:var(--at-pixel-shadow)}.at-btn:active{transform:translate(1px,1px);box-shadow:0 0 0 var(--ink)}.at-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:var(--at-pixel-shadow-sm)}.at-btn-primary,.at-xp-toast{background:var(--blueprint);color:var(--bg)}.at-xp-toast{position:fixed;right:24px;top:100px;z-index:95;border:2px solid var(--ink);padding:12px 18px;font-family:var(--font-display);font-size:1.1rem;letter-spacing:.04em;text-transform:uppercase;box-shadow:var(--at-pixel-shadow);animation:at-xp-pop 2.4s ease forwards}@keyframes at-xp-pop{0%{transform:translateY(-12px);opacity:0}15%{transform:translateY(0);opacity:1}80%{transform:translateY(0);opacity:1}to{transform:translateY(-12px);opacity:0}}.at-coming-soon-block{max-width:700px;margin:32px auto 0;padding:28px;border:2px dashed var(--ink);background:var(--bg-surface);text-align:center}.at-coming-soon-block h2{font-size:1.6rem;color:var(--ink);margin-bottom:12px}.at-coming-soon-block p{font-family:var(--font-body);color:var(--ink-soft);margin:0 auto;max-width:520px}